1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 | ]>
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7 |
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8 | <sect1 id="ch-config-profile">
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9 | <title>The Bash Shell Startup Files</title>
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10 | <?dbhtml filename="profile.html"?>
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11 |
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12 | <indexterm zone="ch-config-profile">
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13 | <primary sortas="e-/etc/profile">/etc/profile</primary>
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14 | </indexterm>
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15 |
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16 | <para>The shell program <command>/bin/bash</command> (hereafter
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17 | referred to as <quote>the shell</quote>) uses a collection of startup
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18 | files to help create an environment to run in. Each file has a
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19 | specific use and may affect login and interactive environments
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20 | differently. The files in the <filename class="directory">/etc</filename>
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21 | directory provide global settings. If an equivalent file exists in the
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22 | home directory, it may override the global settings.</para>
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23 |
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24 | <para>An interactive login shell is started after a successful login,
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25 | using <command>/bin/login</command>, by reading the
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26 | <filename>/etc/passwd</filename> file. An interactive non-login shell
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27 | is started at the command-line (e.g.,
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28 | <prompt>[prompt]$</prompt><command>/bin/bash</command>). A
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29 | non-interactive shell is usually present when a shell script is
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30 | running. It is non-interactive because it is processing a script and
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31 | not waiting for user input between commands.</para>
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32 |
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33 | <para>For more information, see <command>info bash</command> under the
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34 | <emphasis>Bash Startup Files and Interactive Shells</emphasis> section,
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35 | and <ulink url="&cblfs-root;index.php/Bash_Startup_Files">Bash Startup
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36 | Files</ulink> in CBLFS.</para>
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37 |
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38 | <para>The files <filename>/etc/profile</filename> and
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39 | <filename>~/.bash_profile</filename> are read when the shell is
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40 | invoked as an interactive login shell. Create a base
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41 | <filename>/etc/profile</filename> that will setup locale information and load
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42 | any bash auto completion files that may be on the system. This script also
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43 | sets the <envar>INPUTRC</envar> environment variable that makes Bash and
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44 | Readline use <filename>/etc/inputrc</filename>.</para>
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45 |
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46 | <screen><userinput>cat > /etc/profile << "EOF"
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47 | <literal># Begin /etc/profile
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48 |
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49 | source /etc/locale.conf
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50 |
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51 | for f in /etc/bash_completion.d/*
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52 | do
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53 | if [ -e ${f} ]; then source ${f}; fi
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54 | done
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55 | unset f
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56 |
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57 | export INPUTRC=/etc/inputrc
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58 |
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59 | # End /etc/profile</literal>
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60 | EOF</userinput></screen>
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61 |
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62 | </sect1>
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